Front contact photo-electrochemical H-Cell setup (redox.me)

Related products

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  8/16-Channel Potentiostat for High Resolution Data Logger

  The device consists of a combination of an multi-channel potentiostat/converter (BVT Technologies) and an external USB Pico ADC high resolution data logger (Pico Technology).

   

  The data logger can be supplied in two versions: ADC-20 (20 bits, 8 channels) or ADC-24 (24 bits, 16 channels). For detailed specifications, see the attachment at the end of the document. The device allows measurements from up to 8 or from up to 16 independent channels. The basic output signal is a voltage in the range of -2.5 to 2.5 V. All channels are programmable (the output can be concentration, temperature, pressure…).

   

  After connecting the device to a PC with Pico Technology’s Picolog 6 measurement program installed, the voltage [V] can be processed using math channels and directly recorded in real time as temperature, current, resistance, frequency, % and pressure, see measurement example at the end of the document.

   

  For temperature measurement, the device is compatible with resistance thermometers (Ni 1000, Ni 5000, Pt 1000. Power is provided via USB-B, the maximum electrical consumption of the device is 500 mA.

   

  Device Usage

  • Temperature measurement with different temperature sensor (resistance thermometers Ni 1000, ni 5000, Pt 1000)
  • Voltage measurement
  • Conductivity and resistance measurement
  • Amperometry measurement

   

   

  * For this product, we recommend our customers use the Training Service from BVT.

  (https://bvt.cz/produkt/offer-of-long-term-automated-measurements-on-bvt-apparatus/)

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  Membrane Capacitive Deionization configurable cell (redox.me)

  Membrane Capacitive Deionization (MCDI) configurable cell has been designed to conduct research on removal of charged ionic species from aqueous or organic solutions (i.e., Desalination/Demineralization) via electrostatic (i.e., non-Faradaic) or electrochemical (redox) interactions. The MCDI cell contains two graphite current collectors that can serve as polarization electrodes. However, if the electrode material is the subject of research, it should be applied to an additional current collector, such as graphite paper or metal felt (not included in the product). Different electrode materials can be installed on both sides of the cell. If the thickness of these electrodes exceeds 250 micrometers, different gaskets are required. In such a case, please contact us for a solution.

  The cell is designed in such a way that replacing the electrodes does not require removing the membranes or flow fields. It is enough to unscrew the plungers on both sides and replace the electrodes. In the standard configuration, the liquid in the main channel and side channels flows through the flow field cut from PEEK. However, these can be replaced with a porous material such as felt or a battery spacer, which will allow fluid flow. If work with materials of dimensions different from those listed in the specification is required, we can supply seals of different thicknesses or customize the cell. The cell allows for the installation of one or two ion-exchange membranes (not included in the setup). Their thickness is not critical, and it is not necessary to adjust the thickness of the membrane gaskets pressing them. The cell elements are constructed with inert materials to the sample (PEEK). It well fits aqueous (FKM gaskets and O-rings) and organic solvent (FFKM gaskets and O-rings) electrolyte requirements. The construction of the cell is gas-tight.

   

  Application note:
  MCDI cell can be configured to allow the following cell architectures:

  1. Flow-by CDI consisting of: (i) two porous carbon or metal based current collectors coated with capacitive (e. non-Faradaic) material, and (ii) a main flow field enabling the feed water to be transported between electrodes. In this configuration, side flow fields and membranes are not installed.  
  2. Membrane CDI consisting of: (i) two porous carbon or metal based current collectors coated with capacitive (e. non-Faradaic) material, (ii) two ion-exchange membranes (cation exchange membrane and anion exchange membrane) separating electrodes from the main flow field, and (iii) a main flow field enabling the feed water to be transported between electrodes. In this configuration, side flow fields are typically not installed. However, there are cases where installing both side flow fields is justified. All the graphics included in the product page refer to that configuration.
  3. Inverted CDI consisting of: (i) two porous carbon or metal based current collectors coated with capacitive (e. non-Faradaic) material where anode is treated for net negative surface charge and a cathode is treated for net positive surface charge, and (ii) a main flow field enabling the feed water to be transported between electrodes. In this configuration, side flow fields and membranes are not installed.  
  4. Flow-electrode CDI consisting of: (i) two porous carbon or metal based current collectors with flowing electrodes made of capacitive (e. non-Faradaic) carbon suspension, (ii) two ion-exchange membranes (cation exchange membrane and anion exchange membrane) separating electrodes from the flow chamber, (iii) a main flow field enabling the feed water to be transported between electrodes, and (iv) two side flow fields for liquid electrodes. All the graphics included in the product page refer to that configuration.
  5. Hybrid CDI consisting of: (i) a Faradaic (e. battery) electrode for cation adsorption/desorption, (ii) a capacitive (i.e. non-Faradaic) electrode for anion adsorption/desorption, (iii) an anion exchange membrane placed adjacent to the capacitive electrode, and (iv) a main flow field enabling the feed water to be transported between electrodes. In this configuration, side flow fields and a cation-exchange membrane are not installed.  
  6. Cation intercalation desalination consisting of: (i) two porous carbon or metal based current collectors coated with Faradaic cation intercalation materials, (ii) an anion exchange membrane separating electrodes, and (iii) a main flow field enabling the feed water to be transported between electrodes. In this configuration, one side flow field and cation-exchange membrane are not installed.  
  7. Desalination battery consisting of: (i) two porous carbon or metal based current collectors coated with redox (e. Faradaic) material (one for cation adsorption/desorption and the other for anion adsorption/desorption), and (ii) a main flow field enabling the feed water to be transported between electrodes. In this configuration, side flow fields and membranes are not installed.  

   

  Specification:
  tubing size: 4 mm OD
  fitting type: push-in, M5 male
  electrode size: 60 mm x 60 mm (36 cm²)
  recommended total electrode thickness: 200-250 µm
  membrane size: 70 mm x 85 mm
  maximum operating pressure: 20 bar
  maximum operating temperature 150 ºC

  Intrastat data:
  HS Code: 90278080
  Country of Origin: Sweden
  NET weight: 1300 g

   

  Product includes:
  2 x stand, anodized aluminum
  2 x plunger holder, SS 316L
  2 x PEEK plunger
  2 x tantalum current collector
  2 x graphite current collector
  1 x threaded end plate, SS 316L
  1 x unthreaded end plate, SS 316L
  1 x PEEK outer cell body
  1 x PEEK inner cell body
  1 x set of fittings
  2 x female banana connectors, 4 mm dia.
  1 x PEEK main flow field, 0.5 mm thick
  2 x PEEK side flow field, 0.5 mm thick
  1 x set of gaskets (FKM or FFKM) including:

  1 x main flow gasket, 0.5 mm thick
  2 x membrane gasket, 0.25 mm thick
  2 x side flow gasket, 0.5 mm thick
  2 x electrode gasket, 0.25 mm thick

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• 

  USB Potentiostat Galvanoplot

  USB Potentiostat Galvanoplot is a super small, low-cost and affordable device suitable for dedicated volume applications, which is optimized for screen-printed sensor and biosensor applications. It can be used in many other research areas and with other electrochemical sensors, for corrosion measurement, battery and super-capacitors or fuel cells.

  It is capable of performing all common Amperometric and Voltammetric electrochemistry protocols (CA, LSV, CV, DPV, NPV, SVW, GAL) and can be used with three electrode (WE/RE/CE) and two electrode (WE/RE-CE) setups. Plug the device directly into an Android mobile device through OTG port for a true on-site analysis experience. It is possible to choose from two types of interfaces allowing direct insertion of the BVT SPE sensors or the use of 3 classical electrodes with 2 mm banana plugs (WE, RE, CE).

   

  Specifications

  • Dimensions: 39x17x8 mm
  • Weight: 5 g without sensor interface
  • Voltage scan range: +-3V @1mV resolution 
  • Max current: 2000 nA (*at the request of the customer, it is possible to change the range, but this will change the resolution, noise and other parameters)
  • Current resolution: 300pA@1KSPS/ 100pA@100SPS/ 30pA/10 SPS resolution
  • Noise around: 50nA@1KSPS/ 7nA@100SPS/ 400pA/10 SPS

   

  • Protocols: CA, LSV, CV, DPV, NPV, SVW, GAL
  • Cell type: WE/RE/CE and WE/RE-CE
    Connectivity: USB-C (Plug the device directly into an Android mobile device through OTG port for a true on-site analysis experience)

   

  • Operating system compatibility: Windows 8, 10+
  • Advanced analysis – filtering and auto peaks

   

  Device Usage

  • Electrochemical measurements
  • Measurements with biosensors and electrochemical sensors
  • Measurement of biochemical activity of a sample
  • Corrosion measurement

   

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• 

  Standard electrochemical cell setup (redox.me)

  This is a stationary solution standard electrochemical (electrolytic) cell for measurements of electrodes in a form of:

  a) rod/disc (6 mm dia.),

  b) thin film deposited on a flat substrate (using a sample holder) and

  c) free-standing membrane (using the basic sample holder).

   

  The working, counter, and reference electrodes are mounted in a top casing either in 2-, or 3-electrode setup. The cell has two spare ports for connection of e.g. thermometer, Clark electrode, pH meter electrode, or other 6 mm dia. electrode/probe. 

  The cell elements are constructed with materials that are inert to the sample (glass and PEEK). It well fits aqueous (EPDM O-Rings) and organic solvent (FFKM O-Rings) electrolyte requirements. The construction is gas-tight and can be used when the removal and exclusion of contaminants such as oxygen and water is required by bubbling of an inert gas through the electrolyte. The jacketed model is available here. 

   

  Application note
  The reference electrode tip should be placed close to a working electrode center. This will ensure a low potential drop throughout the electrolyte solution for low-current experiment. Various auxiliary electrodes are suitable for this cell including metal wire and metal foil electrodes as well as graphite rod. The bubbling of gas through the solution must be stopped prior to experiment.

   

  Specification:
  maximum electrolyte volume: 100, 150, 200, 250, 350, 500 or 1000 mL
  electrode plug diameter: 6 mm
  number of electrode ports: 5
  vial material: borosilicate 3.3 glass

   

  Intrastat data:
  HS Code: 90309000
  Country of Origin: Sweden
  NET weight: 200 g (100, 150 mL), 300 g (200, 250, 350 mL), 400 g (500 mL), 600 g (1000 mL)

   

   

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